./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d778a78ed5d8f64839ebc759981239a04212e711dc61301fd74be486fa462707 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:58:24,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:24,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:58:24,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:24,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:24,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:24,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:24,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:24,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:24,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:24,634 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:24,635 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:24,635 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:24,636 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:58:24,637 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:24,637 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:24,638 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:58:24,638 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:58:24,639 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:24,640 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:58:24,640 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:58:24,641 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:58:24,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:24,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:58:24,643 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:58:24,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:58:24,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:58:24,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:24,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:58:24,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:24,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:58:24,646 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:58:24,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:58:24,647 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:24,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:24,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:24,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:24,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:24,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:24,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:58:24,650 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:58:24,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:58:24,651 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:58:24,651 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:24,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:24,651 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d778a78ed5d8f64839ebc759981239a04212e711dc61301fd74be486fa462707 [2023-11-12 00:58:24,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:58:24,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:58:24,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:58:24,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:58:24,996 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:58:24,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i [2023-11-12 00:58:28,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:58:28,330 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:58:28,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i [2023-11-12 00:58:28,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/data/65bddbc91/4b890c8fc7de4ecc91cbb487ad8a1afd/FLAG3127ee572 [2023-11-12 00:58:28,363 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/data/65bddbc91/4b890c8fc7de4ecc91cbb487ad8a1afd [2023-11-12 00:58:28,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:58:28,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:58:28,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:28,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:58:28,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:58:28,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f65c485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28, skipping insertion in model container [2023-11-12 00:58:28,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,420 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:58:28,558 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i[919,932] [2023-11-12 00:58:28,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:28,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:58:28,653 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i[919,932] [2023-11-12 00:58:28,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:28,702 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:58:28,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28 WrapperNode [2023-11-12 00:58:28,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:28,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:28,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:58:28,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:58:28,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,763 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2023-11-12 00:58:28,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:28,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:58:28,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:58:28,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:58:28,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:58:28,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:58:28,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:58:28,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:58:28,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (1/1) ... [2023-11-12 00:58:28,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:28,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:58:28,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:58:28,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:58:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:58:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:58:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:58:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:58:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:58:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:58:28,974 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:58:28,976 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:58:29,371 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:58:29,632 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:58:29,632 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:58:29,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:29 BoogieIcfgContainer [2023-11-12 00:58:29,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:58:29,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:58:29,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:58:29,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:58:29,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:58:28" (1/3) ... [2023-11-12 00:58:29,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734a8d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:29, skipping insertion in model container [2023-11-12 00:58:29,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:28" (2/3) ... [2023-11-12 00:58:29,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734a8d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:29, skipping insertion in model container [2023-11-12 00:58:29,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:29" (3/3) ... [2023-11-12 00:58:29,645 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-51.i [2023-11-12 00:58:29,665 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:58:29,666 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:58:29,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:58:29,724 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d55b6d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:58:29,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:58:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-12 00:58:29,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-12 00:58:29,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:29,744 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:58:29,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:29,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:29,751 INFO L85 PathProgramCache]: Analyzing trace with hash -266830314, now seen corresponding path program 1 times [2023-11-12 00:58:29,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:58:29,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559407273] [2023-11-12 00:58:29,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:29,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:58:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:58:30,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:58:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:58:30,634 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:58:30,637 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:58:30,638 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:58:30,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:58:30,647 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:58:30,651 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:58:30,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:58:30 BoogieIcfgContainer [2023-11-12 00:58:30,813 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:58:30,814 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:58:30,815 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:58:30,815 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:58:30,816 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:29" (3/4) ... [2023-11-12 00:58:30,820 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:58:30,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:58:30,822 INFO L158 Benchmark]: Toolchain (without parser) took 2454.44ms. Allocated memory is still 161.5MB. Free memory was 120.9MB in the beginning and 127.5MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:58:30,823 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:58:30,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.38ms. Allocated memory is still 161.5MB. Free memory was 120.5MB in the beginning and 107.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:58:30,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.91ms. Allocated memory is still 161.5MB. Free memory was 106.7MB in the beginning and 104.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:58:30,825 INFO L158 Benchmark]: Boogie Preprocessor took 38.14ms. Allocated memory is still 161.5MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:58:30,831 INFO L158 Benchmark]: RCFGBuilder took 832.17ms. Allocated memory is still 161.5MB. Free memory was 102.5MB in the beginning and 126.1MB in the end (delta: -23.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-12 00:58:30,831 INFO L158 Benchmark]: TraceAbstraction took 1174.78ms. Allocated memory is still 161.5MB. Free memory was 125.4MB in the beginning and 127.5MB in the end (delta: -2.1MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2023-11-12 00:58:30,833 INFO L158 Benchmark]: Witness Printer took 6.74ms. Allocated memory is still 161.5MB. Free memory was 127.5MB in the beginning and 127.5MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:58:30,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.38ms. Allocated memory is still 161.5MB. Free memory was 120.5MB in the beginning and 107.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.91ms. Allocated memory is still 161.5MB. Free memory was 106.7MB in the beginning and 104.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.14ms. Allocated memory is still 161.5MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 832.17ms. Allocated memory is still 161.5MB. Free memory was 102.5MB in the beginning and 126.1MB in the end (delta: -23.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1174.78ms. Allocated memory is still 161.5MB. Free memory was 125.4MB in the beginning and 127.5MB in the end (delta: -2.1MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Witness Printer took 6.74ms. Allocated memory is still 161.5MB. Free memory was 127.5MB in the beginning and 127.5MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someUnaryDOUBLEoperation at line 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] double var_1_4 = 32.3; [L24] double var_1_5 = 0.25; [L25] unsigned char var_1_7 = 2; [L26] signed char var_1_8 = -10; [L27] signed char var_1_9 = 5; [L28] signed char var_1_10 = 4; [L29] signed char var_1_11 = 100; [L30] unsigned long int var_1_12 = 8; [L31] unsigned char var_1_13 = 0; [L32] unsigned long int var_1_15 = 1114432789; [L33] double var_1_17 = 256.8; [L34] double var_1_18 = 1.25; [L35] unsigned long int var_1_19 = 16; [L36] unsigned char var_1_21 = 1; [L37] double var_1_22 = -0.5; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 1; [L40] unsigned char last_1_var_1_1 = 128; [L41] unsigned long int last_1_var_1_12 = 8; [L42] double last_1_var_1_17 = 256.8; [L43] unsigned char last_1_var_1_21 = 1; [L140] isInitial = 1 [L141] FCALL initially() [L142] COND TRUE 1 [L143] CALL updateLastVariables() [L130] last_1_var_1_1 = var_1_1 [L131] last_1_var_1_12 = var_1_12 [L132] last_1_var_1_17 = var_1_17 [L133] last_1_var_1_21 = var_1_21 [L143] RET updateLastVariables() [L144] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L97] var_1_5 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=2, var_1_8=-10, var_1_9=5] [L99] var_1_7 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L101] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L102] var_1_9 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L104] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L105] var_1_10 = __VERIFIER_nondet_char() [L106] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L107] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L108] var_1_11 = __VERIFIER_nondet_char() [L109] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L110] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L111] var_1_13 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L113] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L114] var_1_15 = __VERIFIER_nondet_ulong() [L115] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L116] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L117] var_1_18 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L119] var_1_22 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L121] CALL assume_abort_if_not(var_1_22 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_22 != 0.0F) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L122] var_1_23 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L124] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L125] var_1_24 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L127] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-10, var_1_9=5] [L144] RET updateVariables() [L145] CALL step() [L47] COND TRUE last_1_var_1_21 || (((((var_1_4) > (last_1_var_1_17)) ? (var_1_4) : (last_1_var_1_17))) > var_1_18) [L48] COND FALSE !(var_1_18 > ((((last_1_var_1_17) < 0 ) ? -(last_1_var_1_17) : (last_1_var_1_17)))) [L51] var_1_19 = var_1_11 [L56] COND TRUE 32u >= last_1_var_1_12 [L57] COND TRUE last_1_var_1_12 <= last_1_var_1_12 [L58] COND TRUE (var_1_4 - var_1_5) >= last_1_var_1_17 [L59] var_1_1 = var_1_7 [L65] COND FALSE !((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) [L68] COND TRUE ! (var_1_17 > var_1_5) [L69] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) [L73] COND TRUE (var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5 [L74] COND FALSE !(\read(var_1_13)) [L81] var_1_21 = var_1_23 [L86] COND FALSE !(var_1_21 && var_1_21) [L89] COND FALSE !(\read(var_1_21)) [L145] RET step() [L146] CALL, EXPR property() [L136-L137] return ((((((32u >= last_1_var_1_12) ? ((last_1_var_1_12 <= last_1_var_1_12) ? (((var_1_4 - var_1_5) >= last_1_var_1_17) ? (var_1_1 == ((unsigned char) var_1_7)) : 1) : 1) : (var_1_1 == ((unsigned char) var_1_7))) && ((! (var_1_17 > var_1_5)) ? (var_1_8 == ((signed char) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11))) : (var_1_8 == ((signed char) -4)))) && ((var_1_21 && var_1_21) ? (var_1_12 == ((unsigned long int) var_1_11)) : (var_1_21 ? (var_1_12 == ((unsigned long int) (((((var_1_19) > ((var_1_11 + var_1_7))) ? (var_1_19) : ((var_1_11 + var_1_7)))) + (var_1_15 - var_1_1)))) : 1))) && (((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) ? (var_1_17 == ((double) var_1_18)) : 1)) && ((last_1_var_1_21 || (((((var_1_4) > (last_1_var_1_17)) ? (var_1_4) : (last_1_var_1_17))) > var_1_18)) ? ((var_1_18 > ((((last_1_var_1_17) < 0 ) ? -(last_1_var_1_17) : (last_1_var_1_17)))) ? (var_1_19 == ((unsigned long int) last_1_var_1_1)) : (var_1_19 == ((unsigned long int) var_1_11))) : (var_1_19 == ((unsigned long int) last_1_var_1_1)))) && (((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) ? (var_1_13 ? ((var_1_1 < var_1_19) ? (var_1_21 == ((unsigned char) (! var_1_23))) : (var_1_21 == ((unsigned char) var_1_24))) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_23))) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=5, var_1_1=0, var_1_21=0, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-1, var_1_9=5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=5, var_1_12=8, var_1_13=0, var_1_15=2147483647, var_1_17=1284/5, var_1_18=1284/5, var_1_19=5, var_1_1=0, var_1_21=0, var_1_22=2147483652, var_1_23=0, var_1_24=1, var_1_5=2147483653, var_1_7=0, var_1_8=-1, var_1_9=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:58:30,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d778a78ed5d8f64839ebc759981239a04212e711dc61301fd74be486fa462707 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:58:33,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:33,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:58:33,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:33,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:33,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:33,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:33,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:33,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:33,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:33,845 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:33,846 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:33,846 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:33,848 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:33,848 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:33,849 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:33,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:33,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:58:33,851 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:58:33,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:58:33,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:33,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:58:33,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:33,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:58:33,854 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:58:33,854 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:58:33,855 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:58:33,855 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:58:33,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:58:33,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:33,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:33,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:58:33,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:33,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:33,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:33,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:33,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:58:33,859 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:58:33,859 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:58:33,860 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:58:33,860 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:33,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:33,861 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d778a78ed5d8f64839ebc759981239a04212e711dc61301fd74be486fa462707 [2023-11-12 00:58:34,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:58:34,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:58:34,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:58:34,307 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:58:34,308 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:58:34,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i [2023-11-12 00:58:37,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:58:37,753 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:58:37,753 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i [2023-11-12 00:58:37,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/data/9e69a0aab/3413d13739ca4b2d8ce0701a99768e21/FLAGc34ad113a [2023-11-12 00:58:37,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/data/9e69a0aab/3413d13739ca4b2d8ce0701a99768e21 [2023-11-12 00:58:37,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:58:37,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:58:37,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:37,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:58:37,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:58:37,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:37" (1/1) ... [2023-11-12 00:58:37,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c77232e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:37, skipping insertion in model container [2023-11-12 00:58:37,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:37" (1/1) ... [2023-11-12 00:58:37,858 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:58:38,067 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i[919,932] [2023-11-12 00:58:38,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:38,185 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:58:38,201 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i[919,932] [2023-11-12 00:58:38,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:38,291 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:58:38,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38 WrapperNode [2023-11-12 00:58:38,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:38,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:38,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:58:38,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:58:38,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (1/1) ... [2023-11-12 00:58:38,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (1/1) ... [2023-11-12 00:58:38,383 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-12 00:58:38,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:38,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:58:38,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:58:38,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:58:38,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (1/1) ... [2023-11-12 00:58:38,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (1/1) ... [2023-11-12 00:58:38,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (1/1) ... [2023-11-12 00:58:38,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (1/1) ... [2023-11-12 00:58:38,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (1/1) ... [2023-11-12 00:58:38,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (1/1) ... [2023-11-12 00:58:38,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (1/1) ... [2023-11-12 00:58:38,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (1/1) ... [2023-11-12 00:58:38,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:58:38,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:58:38,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:58:38,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:58:38,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (1/1) ... [2023-11-12 00:58:38,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:38,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:58:38,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:58:38,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:58:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:58:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:58:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:58:38,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:58:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:58:38,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:58:38,683 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:58:38,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:58:46,124 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:58:46,134 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:58:46,136 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:58:46,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:46 BoogieIcfgContainer [2023-11-12 00:58:46,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:58:46,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:58:46,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:58:46,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:58:46,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:58:37" (1/3) ... [2023-11-12 00:58:46,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5435bdf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:46, skipping insertion in model container [2023-11-12 00:58:46,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:38" (2/3) ... [2023-11-12 00:58:46,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5435bdf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:46, skipping insertion in model container [2023-11-12 00:58:46,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:46" (3/3) ... [2023-11-12 00:58:46,153 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-51.i [2023-11-12 00:58:46,174 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:58:46,175 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:58:46,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:58:46,249 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@18568365, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:58:46,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:58:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-12 00:58:46,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-12 00:58:46,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:46,271 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:58:46,274 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:46,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:46,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1436165920, now seen corresponding path program 1 times [2023-11-12 00:58:46,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:58:46,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890831831] [2023-11-12 00:58:46,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:46,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:58:46,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:58:46,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:58:46,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:58:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:47,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:58:47,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:58:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-11-12 00:58:47,712 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:58:47,713 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:58:47,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890831831] [2023-11-12 00:58:47,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890831831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:58:47,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:58:47,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:58:47,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401371584] [2023-11-12 00:58:47,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:58:47,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:58:47,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:58:47,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:58:47,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:58:47,757 INFO L87 Difference]: Start difference. First operand has 64 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-12 00:58:47,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:58:47,792 INFO L93 Difference]: Finished difference Result 121 states and 213 transitions. [2023-11-12 00:58:47,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:58:47,797 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2023-11-12 00:58:47,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:58:47,809 INFO L225 Difference]: With dead ends: 121 [2023-11-12 00:58:47,809 INFO L226 Difference]: Without dead ends: 60 [2023-11-12 00:58:47,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:58:47,819 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:58:47,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:58:47,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-12 00:58:47,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-12 00:58:47,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-12 00:58:47,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 91 transitions. [2023-11-12 00:58:47,902 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 91 transitions. Word has length 132 [2023-11-12 00:58:47,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:58:47,902 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 91 transitions. [2023-11-12 00:58:47,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-12 00:58:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2023-11-12 00:58:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-12 00:58:47,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:47,907 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:58:47,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:58:48,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:58:48,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:48,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:48,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1688040934, now seen corresponding path program 1 times [2023-11-12 00:58:48,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:58:48,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770203006] [2023-11-12 00:58:48,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:48,110 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:58:48,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:58:48,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:58:48,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:58:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:49,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:58:49,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:58:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-12 00:58:51,058 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:58:51,058 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:58:51,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [770203006] [2023-11-12 00:58:51,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [770203006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:58:51,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:58:51,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:58:51,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020903952] [2023-11-12 00:58:51,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:58:51,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:58:51,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:58:51,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:58:51,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:58:51,063 INFO L87 Difference]: Start difference. First operand 60 states and 91 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-12 00:58:54,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:58:57,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:58:59,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:02,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:05,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:07,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:07,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:07,484 INFO L93 Difference]: Finished difference Result 175 states and 268 transitions. [2023-11-12 00:59:07,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:59:07,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 132 [2023-11-12 00:59:07,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:07,725 INFO L225 Difference]: With dead ends: 175 [2023-11-12 00:59:07,725 INFO L226 Difference]: Without dead ends: 118 [2023-11-12 00:59:07,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:59:07,728 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 61 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 43 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:07,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 251 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 16.3s Time] [2023-11-12 00:59:07,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-12 00:59:07,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2023-11-12 00:59:07,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-12 00:59:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 151 transitions. [2023-11-12 00:59:07,788 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 151 transitions. Word has length 132 [2023-11-12 00:59:07,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:07,791 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 151 transitions. [2023-11-12 00:59:07,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-12 00:59:07,795 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2023-11-12 00:59:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-12 00:59:07,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:07,801 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:07,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:08,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:08,014 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:08,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1414925581, now seen corresponding path program 1 times [2023-11-12 00:59:08,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:08,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014964633] [2023-11-12 00:59:08,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:08,016 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:08,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:08,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:59:08,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:59:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:09,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:59:09,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-12 00:59:11,046 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:59:11,046 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:11,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014964633] [2023-11-12 00:59:11,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014964633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:11,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:11,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:59:11,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807152725] [2023-11-12 00:59:11,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:11,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:59:11,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:59:11,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:59:11,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:59:11,051 INFO L87 Difference]: Start difference. First operand 100 states and 151 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-12 00:59:14,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:16,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:19,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:22,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:24,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:24,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:24,429 INFO L93 Difference]: Finished difference Result 221 states and 334 transitions. [2023-11-12 00:59:24,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:59:24,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 133 [2023-11-12 00:59:24,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:24,697 INFO L225 Difference]: With dead ends: 221 [2023-11-12 00:59:24,697 INFO L226 Difference]: Without dead ends: 164 [2023-11-12 00:59:24,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:59:24,700 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 71 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 43 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:24,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 261 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 13.3s Time] [2023-11-12 00:59:24,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-12 00:59:24,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 155. [2023-11-12 00:59:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 88 states have internal predecessors, (111), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2023-11-12 00:59:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 237 transitions. [2023-11-12 00:59:24,749 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 237 transitions. Word has length 133 [2023-11-12 00:59:24,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:24,750 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 237 transitions. [2023-11-12 00:59:24,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-12 00:59:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 237 transitions. [2023-11-12 00:59:24,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 00:59:24,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:24,755 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:24,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:24,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:24,959 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:24,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:24,960 INFO L85 PathProgramCache]: Analyzing trace with hash -300325752, now seen corresponding path program 1 times [2023-11-12 00:59:24,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:24,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284931712] [2023-11-12 00:59:24,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:24,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:24,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:24,964 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:59:24,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 00:59:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:26,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:59:26,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:27,227 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 36 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2023-11-12 00:59:27,227 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:59:27,474 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:27,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284931712] [2023-11-12 00:59:27,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284931712] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:59:27,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [671024318] [2023-11-12 00:59:27,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:27,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:59:27,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:59:27,478 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:59:27,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b03ffdf0-fa5e-4b65-823d-a9d7563e4e34/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:59:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:29,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:59:29,481 INFO L285 TraceCheckSpWp]: Computing forward predicates...